[U-Boot] [PATCH V2] Moved board specific values in config file
Liu Hui-R64343
r64343 at freescale.com
Fri Apr 23 12:06:11 CEST 2010
Stefano ,
> -----Original Message-----
> From: u-boot-bounces at lists.denx.de
> [mailto:u-boot-bounces at lists.denx.de] On Behalf Of Stefano Babic
> Sent: 2010年3月28日 19:43
> To: u-boot at lists.denx.de
> Subject: [U-Boot] [PATCH V2] Moved board specific values in
> config file
>
> The lowlevel_init file contained some hard-coded values to
> setup the RAM. These board related values are moved into the
> board configuration file.
>
> Signed-off-by: Stefano Babic <sbabic at denx.de>
> ---
> cpu/arm_cortexa8/mx51/lowlevel_init.S | 5 ++++-
> include/configs/mx51evk.h | 3 +++
> 2 files changed, 7 insertions(+), 1 deletions(-)
>
> diff --git a/cpu/arm_cortexa8/mx51/lowlevel_init.S
> b/cpu/arm_cortexa8/mx51/lowlevel_init.S
> index 31af9e2..783c81f 100644
> --- a/cpu/arm_cortexa8/mx51/lowlevel_init.S
> +++ b/cpu/arm_cortexa8/mx51/lowlevel_init.S
> @@ -158,6 +158,7 @@
> /* Switch peripheral to PLL 3 */
> ldr r0, =CCM_BASE_ADDR
> ldr r1, =0x000010C0
> + orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
> str r1, [r0, #CLKCTL_CBCMR]
> ldr r1, =0x13239145
> str r1, [r0, #CLKCTL_CBCDR]
> @@ -171,6 +172,7 @@
> ldr r1, =0x19239145
> str r1, [r0, #CLKCTL_CBCDR]
> ldr r1, =0x000020C0
> + orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
> str r1, [r0, #CLKCTL_CBCMR]
>
> mov r3, #DP_OP_216
> @@ -201,9 +203,10 @@
> /* setup the rest */
> /* Use lp_apm (24MHz) source for perclk */
> ldr r1, =0x000020C2
> + orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
> str r1, [r0, #CLKCTL_CBCMR]
> /* ddr clock from PLL 1, all perclk dividers are 1
> since using 24MHz */
> - ldr r1, =0x59E35100
> + ldr r1, =CONFIG_SYS_CLKTL_CBCDR
> str r1, [r0, #CLKCTL_CBCDR]
>
> /* Restore the default values in the Gate registers */
> diff --git a/include/configs/mx51evk.h
> b/include/configs/mx51evk.h index e2daeca..5096ab7 100644
> --- a/include/configs/mx51evk.h
> +++ b/include/configs/mx51evk.h
> @@ -177,6 +177,9 @@
> #define PHYS_SDRAM_1 CSD0_BASE_ADDR
> #define PHYS_SDRAM_1_SIZE (512 * 1024 * 1024)
>
> +#define CONFIG_SYS_DDR_CLKSEL 0
> +#define CONFIG_SYS_CLKTL_CBCDR 0x59E35100
It's nice to have some comments about the value selected.
> +
>
> /*------------------------------------------------------------
> -----------
> * FLASH and environment organization
> */
> --
> 1.6.3.3
>
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> http://lists.denx.de/mailman/listinfo/u-boot
>
>
More information about the U-Boot
mailing list